CN103053320B - Seedling method for improving emergence rate of malus toringoides seeds - Google Patents
Seedling method for improving emergence rate of malus toringoides seeds Download PDFInfo
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- CN103053320B CN103053320B CN 201310044316 CN201310044316A CN103053320B CN 103053320 B CN103053320 B CN 103053320B CN 201310044316 CN201310044316 CN 201310044316 CN 201310044316 A CN201310044316 A CN 201310044316A CN 103053320 B CN103053320 B CN 103053320B
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Abstract
The invention discloses a seedling method for improving the emergence rate of malus toringoides seeds. The seedling method comprises the steps of when malus toringoides fruits turn red or dark red, collecting the malus toringoides fruits, drying full seeds obtained from the malus toringoides fruits in shade in a room, packing the seeds into a sack, and storing on a ventilated place; carrying out after-ripening on an embryo after cold stratification; carrying out deep-ploughing in a selected nursery land for one time in the winter of the last year, and making a seedbed which is lightly protruded in middle according to 120cm width, 10cm height and about 25cm width of step ditch; loosening soil in the last ten-day period of March of the next year, applying a composite fertilizer as a base fertilizer, and disinfecting the soil; seeding through an artificial sowing way, covering with humus soil, completely watering for one time, building a plastic tent for preserving the heat and covering in a moisture-preserving manner; and after seeding, keeping the seedbed wet, removing a mulching film in real time when buds begin to hump, and carrying out final-singling by a plant spacing of 8-10cm when 4-6 true leaves appear on each of the seedlings. The seedling method adopts a manner of directly seeding after adopting the cold stratification for one time, is simple and easy in operation, and reduces seed usage and seedling cost; and the seed emergence rate is greater than 60%, so that the seedlings are stronger in growth.
Description
Technical field
The invention belongs to the plant propagation technique field of growing directly from seeds, relate in particular to a kind of seedling-cultivating method that becomes leaf Malus spectabilis seeding ratio that improves.
Background technology
Become the leaf Malus spectabilis, belong to rose family Malus M. kansuensesSchneid plant, mainly be distributed in the Southeastern Tibet edge.This seeds blade is rich in multiple nutritional components, has the effect of falling " three height ", is the primary raw material of making " snowy region Russia look tea ", is the Main Economic seeds of river Xi Gaoshangaoyuanqu.
Become the leaf Malus spectabilis and take seeding and seedling raising as main, be published in " forestry practical technique " (2006, (9): 31-32) in " becoming the leaf Malus spectabilis grows seedlings and afforestation technology " literary composition, disclose change leaf Malus spectabilis seed seedling-raising technology, this technology embodies and adopts prior to seeding the water seed soaking mode to carry out the vernalization processing, adopt the conventional seed planting seedling raising manners, its seeding quantity is 20～25kg/667m again
2, producing the seedling amount is 6.5～70,000 strains/667m
2, but the disclosed technology of the document is applied in production practices, and its seed consumption is too large, and seeding ratio less than 5%, proposes to improve the concrete grammar of emergence rate.
Summary of the invention
The invention provides a kind of seedling-cultivating method that becomes leaf Malus spectabilis seeding ratio that improves, be intended to solve the lower problem of change leaf Malus spectabilis seeding ratio.
The object of the present invention is to provide a kind of seedling-cultivating method that becomes leaf Malus spectabilis seeding ratio that improves, this seedling-cultivating method comprises the following steps:
Step 1, when becoming leaf calophyllum inophyllum consolidation into redness or kermesinus, gather and become leaf Malus spectabilis fruit, will be placed on indoor drying in the shade by the full seed that becomes the acquisition of leaf Malus spectabilis fruit, and put into gunnysack and store in ventilation;
Step 2, carry out vernalization to becoming leaf Malus spectabilis seed, adopts cold stratification to complete embryo after-ripening;
Step 3, carry out 1 deep ploughing by the nursery lot of selecting in winter the previous year, and the ditch that deeply begins to rehearse in the nursery lot surrounding, presses wide 120cm, high 10cm, step furrow width 25cm left and right, the seedbed of slightly swelling in the middle of doing; After March nursery lot loosing soil, sealing fertilizer is made base manure, and disinfecting soil is processed;
Step 4, adopt the artificial broadcast to be sowed, and with detritus soil, covers, and waters once permeablely, builds that plastic greenhouse is incubated and moisturizing covers;
Step 5, after planting will keep seedbed moistening, removes in time mulch film during young shoot arch soil, when seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling.
Further, in step 1, by the implementation method that becomes the full seed that leaf Malus spectabilis fruit obtains into: the change leaf Malus spectabilis fruit that will gather, after stack retting, rubs kind of a reality by hand, and water floats pulp, impurity, blighted grain, through sinking water treatment, can select full seed.
Further, be greater than the seed of 6.8g by becoming full seed that leaf Malus spectabilis fruit obtains into big or small uniformity and thousand kernel weight.
Further, in step 2, to becoming leaf Malus spectabilis seed, carry out vernalization, the implementation method that adopts cold stratification to complete embryo after-ripening is: after will soaking 24h for examination full seed sterile water, directly pack in polythene film bag, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d.
Further, after will soaking 24h for examination full seed sterile water, with moistening fine sand, in the ratio of 1:3, evenly puddle in the polythene film bag of packing into, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d.
Further, the sack of polythene film bag is pricked the aperture that keeps ventilation.
Further, in step 3, nursery lot should select physical features smooth, have a good transport service, be easy to management, soil layer is deep, fertile, draining is good, illumination is sufficient, have the place of good irrigation conditions, soil is preferably sandy loam or loam;
The nursery lot of selecting is carried out to 1 deep ploughing in winter the previous year, and the degree of depth should be advisable more than 30cm, choose except tree root, stone, and the ditch that deeply begins to rehearse in the nursery lot surrounding; By wide 120cm, high 10cm, step furrow width 25cm left and right, do the middle slightly seedbed of protuberance;
When late March is fine, rake is by soil loosening, and the hack particle diameter must not surpass 1cm, sealing fertilizer 25kg/667m
2make base manure; And with 1%～2% ferrous sulfate aqueous solution 350kg/667m
2with Furadan 3kg/667m
2, disinfecting soil is processed.
Further, in step 4, on April, to the middle ten days, adopt the artificial broadcast to be sowed, only planting seeding quantity is 1.0～1.2kg/667m
2, 200～250 every square metre, accomplish to be uniformly distributed, then with detritus soil, cover 1.5～2cm, water once permeablely, then build plastic greenhouse and carry out the heat and moisture preserving covering.
Further, in step 5, after planting to keep seedbed moistening, during coming up, if soil drought with the spraying water spray, makes nursery keep certain moisture sooner or later;
In young shoot when soil arch, removed mulch film in time, the seedling rear two weeks thinning that all sprouts, and after the 1st true leaf launches, thinning is 1 time, removes two strains and invalid strain;
When seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling;
Seedling starts to be unearthed during final singling, be weeded with a hoe, topdress, prevents and treats the field management of damping off, weeds with a hoe 4-6 time, with field, without weeds, is advisable, and in conjunction with after rain or the rear weeding of pouring water, topdresses 3～4 times, executes urea 10kg/667m at every turn
2or water fecaluria 500kg/667m
2.
Further, after coming up, every 1 equivalent formula bordeaux mixture of spray in 1 week, spray altogether 2～3 times the prevention damping off.
Raising provided by the invention becomes the seedling-cultivating method of leaf Malus spectabilis seeding ratio, when becoming leaf calophyllum inophyllum consolidation into redness or kermesinus, gather and become leaf Malus spectabilis fruit, will be placed on indoor drying in the shade by the full seed that becomes the acquisition of leaf Malus spectabilis fruit, and put into gunnysack and store in ventilation; Carry out vernalization to becoming leaf Malus spectabilis seed, adopt cold stratification to complete embryo after-ripening; The nursery lot of selecting is carried out to 1 deep ploughing in winter the previous year, and the ditch that deeply begins to rehearse in the nursery lot surrounding, after the nursery lot loosing soil, sealing fertilizer is made base manure, and disinfecting soil is processed; Adopt the artificial broadcast to be sowed, cover with detritus soil, water once permeablely, build that plastic greenhouse is incubated and moisturizing covers; After planting to keep seedbed moistening, remove in time mulch film during young shoot arch soil, when seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling; This seedling-cultivating method is taked after cold stratification live, and method of operating is simple, has reduced seed consumption and seedling cost low, seeding ratio reaches more than 60%, seedling early growth is more healthy and stronger, and biennial height of seedling reaches 100cm, has stronger propagation and employment and is worth.
The accompanying drawing explanation
Fig. 1 is the realization flow figure that the raising that provides of the embodiment of the present invention becomes the seedling-cultivating method of leaf Malus spectabilis seeding ratio.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, and be not used in the restriction invention.
The raising that Fig. 1 shows the embodiment of the present invention to be provided becomes the realization flow of the seedling-cultivating method of leaf Malus spectabilis seeding ratio.The method that the embodiment of the present invention provides especially is applicable to the change leaf Malus spectabilis seed seedling-raising in Chuan Xi plateau district.This seedling-cultivating method comprises the following steps:
Step S101, when becoming leaf calophyllum inophyllum consolidation into redness or kermesinus, gather and become leaf Malus spectabilis fruit, will be placed on indoor drying in the shade by the full seed that becomes the acquisition of leaf Malus spectabilis fruit, and put into gunnysack and store in ventilation;
Step S102, carry out vernalization to becoming leaf Malus spectabilis seed, adopts cold stratification to complete embryo after-ripening;
Step S103, carry out 1 deep ploughing by the nursery lot of selecting in winter the previous year, and the ditch that deeply begins to rehearse in the nursery lot surrounding, presses wide 120cm, high 10cm, step furrow width 25cm left and right, the seedbed of slightly swelling in the middle of doing; When late March is fine, after the nursery lot loosing soil, sealing fertilizer is made base manure, and disinfecting soil is processed;
Step S104, adopt the artificial broadcast to be sowed, and with detritus soil, covers, and waters once permeablely, builds that plastic greenhouse is incubated and moisturizing covers;
Step S105, after planting will keep seedbed moistening, removes in time mulch film during young shoot arch soil, when seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling.
In embodiments of the present invention, in step S101, by the implementation method that becomes the full seed that leaf Malus spectabilis fruit obtains into: the change leaf Malus spectabilis fruit that will gather is after stack retting, and craft rubs kind of a reality, water floats pulp, impurity, blighted grain, through heavy water treatment, can select full seed.
In embodiments of the present invention, be greater than the seed of 6.8g by becoming full seed that leaf Malus spectabilis fruit obtains into big or small uniformity and thousand kernel weight.
In embodiments of the present invention, in step S102, carry out vernalization to becoming leaf Malus spectabilis seed, the implementation method that adopts cold stratification to complete embryo after-ripening is: after will soaking 24h for examination full seed sterile water, directly pack in polythene film bag, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d.
In embodiments of the present invention, after will soaking 24h for examination full seed sterile water, with moistening fine sand, in the ratio of 1:3, evenly puddle in the polythene film bag of packing into, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d.
In embodiments of the present invention, the sack of polythene film bag is pricked the aperture that keeps ventilation.
In embodiments of the present invention, in step S103, nursery lot should select physical features smooth, have a good transport service, be easy to management, soil layer is deep, fertile, draining is good, illumination is sufficient, have the place of good irrigation conditions, soil is preferably sandy loam or loam;
The nursery lot of selecting is carried out to 1 deep ploughing in winter the previous year, and the degree of depth should be advisable more than 30cm, choose except tree root, stone, and the ditch that deeply begins to rehearse in the nursery lot surrounding; By wide 120cm, high 10cm, step furrow width 25cm left and right, do the middle slightly seedbed of protuberance;
When late March is fine, rake is by soil loosening, and the hack particle diameter must not surpass 1cm, sealing fertilizer 25kg/667m
2make base manure;
Ferrous sulfate aqueous solution 350kg/667m with 1%～2%
2with Furadan 3kg/667m
2, disinfecting soil is processed.
In embodiments of the present invention, in step S104, on April, to the middle ten days, adopt the artificial broadcast to be sowed, only planting seeding quantity is 1.0～1.2kg/667m
2, 200～250 every square metre, accomplish to be uniformly distributed, then with detritus soil, cover 1.5～2cm, water once permeablely, then build plastic greenhouse and carry out the heat and moisture preserving covering.
In embodiments of the present invention, in step S105, after planting to keep seedbed moistening, during coming up, if soil drought with the watering can water spray, makes nursery keep certain moisture sooner or later;
In young shoot when soil arch, removed mulch film in time, the seedling rear two weeks thinning that all sprouts, and after the 1st true leaf launches, thinning is 1 time, removes two strains and invalid strain;
When seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling;
Seedling starts to be unearthed during final singling, be weeded with a hoe, topdress, prevents and treats the field management of damping off, weeds with a hoe 4-6 time, with field, without weeds, is advisable, and in conjunction with after rain or the rear weeding of pouring water, topdresses 3～4 times, executes urea 10kg/667m at every turn
2or water fecaluria 500kg/667m
2.
In embodiments of the present invention, after coming up, every 1 equivalent formula bordeaux mixture of spray in 1 week, spray altogether 2～3 times the prevention damping off.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
1. seed collection: when becoming leaf calophyllum inophyllum consolidation into redness or kermesinus, in late October to the early November collecting fruit.By the fruit that gathers after stack retting, rub by hand kind of a reality, water floats pulp, impurity, blighted grain, select full seed (being the seed that big or small uniformity and thousand kernel weight are greater than 6.8g) through heavy water treatment, be placed on indoor drying in the shade, after reaching every specification requirement of seed storage, put into gunnysack and store in ventilation;
2. presprouting of seeds: become leaf Malus spectabilis seed and have certain physiological dormancy phenomenon, therefore adopt cold stratification to complete embryo after-ripening.After will soaking 24h for examination full seed sterile water, in the polythene film bag of directly packing into, or, in the bag of packing into after evenly puddling in the ratio of 1:3 with moistening fine sand, be positioned in 1～5 ℃ of refrigerator, the lamination time is 15～20d.Sack is pricked aperture, keeps good ventilation in bag.Regularly open plastic film bag and check seed, keep water-in-bag to divide content, take the surface of the seed humidity as degree, prevent mouldy;
3. prepare in nursery: nursery lot should select physical features smooth, have a good transport service, be easy to management, soil layer is deep, fertile, draining is good, illumination is sufficient, have the place of good irrigation conditions, soil is preferably sandy loam or loam.The nursery lot of selecting is carried out to 1 deep ploughing in winter the previous year, and the degree of depth should be advisable more than 30cm, choose except tree root, stone, and the ditch that deeply begins to rehearse in the nursery lot surrounding.By wide 120cm, high 10cm, step furrow width 25cm left and right, do the middle slightly seedbed of protuberance.When late March is fine, rake is by soil loosening, and the hack particle diameter must not surpass 1cm, sealing fertilizer 25kg/667m
2make base manure.Ferrous sulfate aqueous solution 350kg/667m with 1%～2%
2with Furadan 3kg/667m
2, to disinfecting soil.
4. sowing: to sowing in the middle ten days, adopt the artificial broadcast on April, only planting seeding quantity is 1.0～1.2kg/667m
2.Be 200～250 every square metre, accomplish to be uniformly distributed, then with detritus soil, cover 1.5～2cm, water once permeablely, then build plastic greenhouse and carry out the heat and moisture preserving covering;
5. seedling management: after planting will keep seedbed moistening.During coming up, if soil drought with the watering can water spray, makes nursery keep certain moisture sooner or later.Remove in time mulch film during young shoot arch soil.The seedling rear two weeks thinning that all sprouts, after the 1st true leaf launches, thinning is 1 time, removes two strains and invalid strain.When seedling grows to 4-6 sheet true leaf, can be by spacing in the rows 8～10cm final singling.Seedling starts to be unearthed during final singling, be weeded with a hoe, topdress, prevent and treat the field management such as damping off.Generally weed with a hoe 4-6 time, be advisable without weeds with field.In conjunction with after rain or the rear weeding of pouring water, topdress 3～4 times, execute urea 10kg/667m at every turn
2or water fecaluria 500kg/667m
2left and right.After coming up, every 1 equivalent formula bordeaux mixture of spray in 1 week, spray altogether 2～3 times the prevention damping off.The average 100cm of biennial height of seedling left and right, can go out garden, and producing the seedling amount is 8～100,000 strains/667m
2, emergence rate reaches 60%～70%;
The beneficial effect of innovation and creation:
The invention provides a kind of simple to operate, emergence rate is high and seedling cost is low change leaf Malus spectabilis seed seedling-raising method.Live after being to take a naked lamination of low temperature to process, method of operating is simple; Two seed consumptions reduce greatly, are only 5～10% of original consumption, and seedling cost is low; The 3rd, seeding ratio reaches more than 60%, and producing the seedling amount is 8～100,000 strains/667m
2, emergence rate improves greatly; The 4th, seedling early growth is more healthy and stronger, and biennial height of seedling reaches 100cm.
The invention provides a kind of simple to operate, change leaf Malus spectabilis seedling-cultivating method that emergence rate is high, the method is grown seedlings, and emergence rate is high, simple to operate, seedling cost is low, has greatly improved the seedling supply; Main innovate point is: the one, and found out and removed the leaf Malus spectabilis seed dormancy low temperature lamination time (20d) that becomes; The 2nd, greatly reduce seeding quantity (1.0～1.2kg/667m
2).
Key problem in technology main points of the present invention are: (1) presprouting of seeds technology is after employing will be soaked 24h for examination full seed sterile water, directly pack in polythene film bag, or in the bag of packing into after evenly puddling in the ratio of 1:3 with moistening fine sand, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d, by cold stratification, removed the dormancy that becomes leaf Malus spectabilis seed fully, germination rate improves greatly; (2) sow to the middle ten days on April, adopt the artificial broadcast, only planting seeding quantity is 1.0～1.2kg/667m
2, 200～250 every square metre, accomplish to be uniformly distributed, then with detritus soil, cover 1.5～2cm, water once permeablely, then build plastic greenhouse and carry out the heat and moisture preserving covering; (3) after planting to keep seedbed moistening.Remove in time mulch film during young shoot arch soil, when seedling grows to 4-6 sheet true leaf, can be by spacing in the rows 8～10cm final singling.
The raising that the embodiment of the present invention provides becomes the seedling-cultivating method of leaf Malus spectabilis seeding ratio, when becoming leaf calophyllum inophyllum consolidation into redness or kermesinus, gather and become leaf Malus spectabilis fruit, will be placed on indoor drying in the shade by the full seed that becomes the acquisition of leaf Malus spectabilis fruit, put into gunnysack and store in ventilation; Carry out vernalization to becoming leaf Malus spectabilis seed, adopt cold stratification to complete embryo after-ripening; The nursery lot of selecting is carried out to 1 deep ploughing in winter the previous year, and the ditch that deeply begins to rehearse in the nursery lot surrounding, wide 120cm, high 10cm, step furrow width 25cm left and right pressed, the seedbed of slightly swelling in the middle of doing; After late March nursery lot loosing soil, sealing fertilizer is made base manure, and disinfecting soil is processed; Adopt the artificial broadcast to be sowed, cover with detritus soil, water once permeablely, build that plastic greenhouse is incubated and moisturizing covers; After planting keep seedbed moistening, remove in time mulch film during young shoot arch soil, when seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling; This seedling-cultivating method is taked after cold stratification live, and method of operating is simple, has reduced seed consumption and seedling cost low, seeding ratio reaches more than 60%, seedling early growth is more healthy and stronger, and biennial height of seedling reaches 100cm, has stronger propagation and employment and is worth.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. one kind is improved the seedling-cultivating method that becomes leaf Malus spectabilis seeding ratio, it is characterized in that, this seedling-cultivating method comprises the following steps:
Step 1, when becoming leaf calophyllum inophyllum consolidation into redness or kermesinus, gather and become leaf Malus spectabilis fruit, will be placed on indoor drying in the shade by the full seed that becomes the acquisition of leaf Malus spectabilis fruit, and put into gunnysack and store in ventilation;
Step 2, carry out vernalization to becoming leaf Malus spectabilis seed, adopts cold stratification to complete embryo after-ripening;
Step 3, carry out 1 deep ploughing by the nursery lot of selecting in winter the previous year, and the ditch that deeply begins to rehearse in the nursery lot surrounding, presses wide 120cm, high 10cm, step furrow width 25cm left and right, the seedbed of slightly swelling in the middle of doing; After Second Year nursery lot in March loosing soil, sealing fertilizer is made base manure, and disinfecting soil is processed;
Step 4, adopt the artificial broadcast to be sowed, and with detritus soil, covers, and waters once permeablely, builds that plastic greenhouse is incubated and moisturizing covers;
Step 5, after planting will keep seedbed moistening, removes in time mulch film during young shoot arch soil, when seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling;
In step 1, by the implementation method that becomes the full seed that leaf Malus spectabilis fruit obtains into: the change leaf Malus spectabilis fruit that will gather, after stack retting, rubs kind of a reality by hand, and water floats pulp, impurity, blighted grain, through sinking water treatment, can select full seed;
Be greater than the seed of 6.8g by becoming full seed that leaf Malus spectabilis fruit obtains into big or small uniformity and thousand kernel weight;
In step 2, carry out vernalization to becoming leaf Malus spectabilis seed, the implementation method that adopts cold stratification to complete embryo after-ripening is: after will soaking 24h for examination full seed sterile water, in the polythene film bag of directly packing into, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d;
After will soaking 24h for examination full seed sterile water, with moistening fine sand, in the ratio of 1:3, evenly puddle in the polythene film bag of packing into, be positioned in 1～5 ℃ of refrigerator, the lamination time is 20d;
The sack of polythene film bag is pricked the aperture that keeps ventilation;
In step 3, nursery lot should select physical features smooth, have a good transport service, be easy to management, soil layer is deep, fertile, draining is good, illumination is sufficient, have the place of good irrigation conditions, soil is preferably sandy loam or loam;
The nursery lot of selecting is carried out to 1 deep ploughing in winter the previous year, and the degree of depth should be advisable more than 30cm, choose except tree root, stone, and the ditch that deeply begins to rehearse in the nursery lot surrounding; By wide 120cm, high 10cm, step furrow width 25cm left and right, do the middle slightly seedbed of protuberance;
When late March is fine, rake is by soil loosening, and the hack particle diameter must not surpass 1cm, sealing fertilizer 25kg/667m
2make base manure; And with 1%～2% ferrous sulfate aqueous solution 350kg/667m
2with Furadan 3kg/667m
2, disinfecting soil is processed;
In step 4, on April, to the middle ten days, adopt the artificial broadcast to be sowed, only planting seeding quantity is 1.0～1.2kg/667m
2, 200～250 every square metre, accomplish to be uniformly distributed, then with detritus soil, cover 1.5～2cm, water once permeablely, then build plastic greenhouse and carry out the heat and moisture preserving covering;
In step 5, after planting to keep seedbed moistening, during coming up, if soil drought with the spraying water spray, makes nursery keep certain moisture sooner or later;
In young shoot when soil arch, removed mulch film in time, the seedling rear two weeks thinning that all sprouts, and after the 1st true leaf launches, thinning is 1 time, removes two strains and invalid strain;
When seedling grows to 4-6 sheet true leaf, by spacing in the rows 8～10cm final singling;
Seedling starts to be unearthed during final singling, be weeded with a hoe, topdress, prevents and treats the field management of damping off, weeds with a hoe 4-6 time, with field, without weeds, is advisable, and in conjunction with after rain or the rear weeding of pouring water, topdresses 3～4 times, executes urea 10kg/667m at every turn
2or water fecaluria 500kg/667m
2;
After coming up, every 1 equivalent formula bordeaux mixture of spray in 1 week, spray altogether 2～3 times the prevention damping off.
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| CN103283343A (en) * | 2013-05-30 | 2013-09-11 | 句容美华园林景观发展有限公司 | Sowing and seedling cultivating method of red malus spectabilis |
| CN105940915A (en) * | 2016-05-13 | 2016-09-21 | 句容市绿润苗木有限公司 | Chinese Flowing Crabapple plantation method |
| CN107306727A (en) * | 2017-07-05 | 2017-11-03 | 界首市伟盛家庭农场 | A kind of calophyllum inophyllum seed seedling-raising method |
| CN108156880A (en) * | 2018-01-11 | 2018-06-15 | 四川农业大学 | A kind of method for culturing seedlings for improving greenleaf piptanthus seed seeding ratio |
| CN108513762B (en) * | 2018-01-29 | 2021-01-26 | 河南科技学院 | Layering method for breaking arbor seed dormancy |
| CN108834705B (en) * | 2018-06-01 | 2020-12-15 | 河北省农林科学院石家庄果树研究所 | Sowing method for eight-edge begonia in winter |
| CN109328810A (en) * | 2018-08-23 | 2019-02-15 | 雷敏 | A kind of inoculation method becoming leaf or tibetan crabapple |
| CN111328494A (en) * | 2018-08-23 | 2020-06-26 | 炉霍县康北明珠生态发展有限公司 | Germination accelerating method for malus variabilis seeds or malus spectabilis seeds |
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